For every Taylor Swift, Avril Lavigne, and Britney Spears -- that is, for every 15 year old who submitted to the studio system, allowed herself to be made-up and songwritten into superstardom -- there's 10,000 who did all of that and still didn't make it. Before she was old enough to drive, Waltham's NOELLE LEBLANC was hanging out in basements with a local producer and singing other people's songs.